J Shoulder Elbow Surg
Analgesics, OpioidArthroplastyArthroplasty, Replacement, Shoulder
Dr. William C. Schroer, MD
NPI1447202197PAC ID6800892456
- Medicare services, 2024
- 794
- Medicare patients, 2024
- 396
- Part D claims, 2024
- 3,116
- Publications
- 10
- Hospital affiliations
- 5
- Practice address
- 1011 Bowles Ave, Fenton, MO 63026
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SSM Cancer Care South Schc - HOPD
Acute Care Hospital outpatient department · Fenton, Missouri
Find Dr. Schroer's professional email, personal email and mobile number
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Dr. William C. Schroer is an orthopedic surgeon in Fenton, Missouri
Dr. Schroer practices at SSM Cancer Care South Schc - HOPD in Fenton, Missouri.
Dr. Schroer's NPI, 1447202197, was assigned on May 17, 2006. Dr. Schroer graduated from Washington University School of Medicine in 1989. Dr. Schroer holds Missouri license 106577.
NPI and contact details
- NPI
- 1447202197NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800892456
- NPI enumeration date
- May 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William C. Schroer practices at SSM Cancer Care South Schc - HOPD in Fenton, Missouri
Dr. Schroer's primary practice is SSM Cancer Care South Schc - HOPD, at 1011 Bowles Ave, Fenton, MO 63026.
- SSM Cancer Care South Schc - HOPD1011 Bowles Ave, Fenton, MO 63026
Source: Dmand AI Affiliation Data
Dr. William C. Schroer is affiliated with 11 sites of care and 1 medical group
Dr. Schroer's primary practice is SSM Cancer Care South Schc - HOPD in Fenton, Missouri. Dr. Schroer is also affiliated with Barnes-Jewish Hospital. The medical group on file is SSM Health Medical Group. Dmand AI also links Dr. Schroer to 4 more hospitals, 4 home health agencies and 1 group practice or clinic, each named with a free account. Dr. Schroer's employer is on file too: a hospital.
SSM Cancer Care South Schc - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William C. Schroer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schroer practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Cancer Care South Schc - HOPD | Available with a free account |
| +10 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. William C. Schroer is one of 417 orthopedic surgeons in Missouri
Orthopaedic surgery is Dr. Schroer's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Schroer is licensed in Missouri.
Specialties and state licenses
- Orthopaedic surgery, MissouriPrimary
Orthopedic surgeons near Dr. Schroer
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
417orthopedic surgeons in Missouri
6orthopedic surgeons in Fenton
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William C. Schroer billed Medicare for 794 services in 2024
CMS data shows 794 Medicare services from Dr. Schroer across 8 procedure codes in 2024, for 396 Medicare patients. Medicare paid $196,364 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024794
Medicare patients396
Paid by Medicare$196,364
Procedure codes8
Dr. Schroer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3632024: 32112%
- Imaging
- 2023: 2422024: 21511%
- Office and hospital visits
- 2023: 2302024: 2128%
- Other services
- 2023: 02024: 46
Dr. Schroer compared with the Missouri median for orthopedic surgeons, 2024
- Dr. Schroer
- Missouri median
- Medicare services
- 794vs 8496% below
- Medicare patients
- 396vs 23171% above
- Part D claims
- 3,054vs 15619.6 times
Medians across 414 orthopedic surgeons in Missouri with Dmand AI profiles that report each measure.
Dr. Schroer's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Schroer and other orthopedic surgeons in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William C. Schroer treated 396 Medicare patients in 2024, average age 74
CMS counts 396 Medicare patients who saw Dr. Schroer in 2024. The largest group is 65 to 74, with 202 patients. 75% of them have arthritis, and 75% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Schroer's median patient age at 72, with 63% women.
Medicare patients, 2024396
Average age74
Average risk score0.97
Also on Medicaid5%
Dr. Schroer's Medicare patients by age, 2024
Dr. Schroer's Medicare patients by sex, 2024
- Women24061%
- Men15639%
Chronic conditions among Dr. Schroer's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes28%
- Ischemic heart disease24%
- Chronic kidney disease22%
- Mood disorders22%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Schroer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William C. Schroer wrote 3,116 Medicare Part D claims in 2024
In 2024, Dr. Schroer wrote 3,116 Medicare Part D claims for 825 patients. 99% of them were for generic drugs. CMS names the drug for 3,054 of them, across 15 drugs with 11 or more claims each, at $29,426 in total drug cost. In 2023, CMS named 2,393 claims across 13 drugs.
Part D claims, 20243,116
Drugs named by CMS15
Total drug cost$29,426
Part D patients825
Dr. Schroer's Part D claims by kind of drug, 2024
- Generic3,097 claims99%
- Brand-name19 claims1%
Dr. Schroer's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Schroer's Part D claims, 2024
- Opioids32%1,012 of 3,116 claims
- Antibiotics9%291 of 3,116 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,3932024: 3,05428%
Drugs named by CMS: 15 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. William C. Schroer ranks in the 98th percentile for knee replacement in Medicare
Dr. Schroer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 162 procedures of knee replacement by Dr. Schroer, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Schroer ranks in Medicare procedure volume
- Knee replacement
- 98th percentile162 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. William C. Schroer has 10 publications on record
Dmand AI links 10 papers to Dr. Schroer, published from 2011 to 2020. 2012 was the busiest year, with 2. The most frequent topics are Arthroplasty, Replacement, Knee, Pain Measurement and Arthroplasty, Replacement, Hip. Dr. Schroer has published most often in J Arthroplasty. Dr. Schroer's most frequent co-authors are Keith R. Berend, MD, Michael P. Bolognesi, MD and Katherine A. Burns, MD.
Papers10
Years published2011 to 2020
Dr. Schroer's papers by year, 2011 to 2020
Topics Dr. Schroer writes about most
- Arthroplasty, Replacement, Knee
- Pain Measurement
- Arthroplasty, Replacement, Hip
- Knee Joint
- Recovery of Function
- Celecoxib
- Centers for Medicare and Medicaid Services, U.S.
- Elective Surgical Procedures
Dr. Schroer's most frequent co-authors
- Keith R. Berend, MD1 shared paper
- Michael P. Bolognesi, MD1 shared paper
- Katherine A. Burns, MD1 shared paper
Recent publications by Dr. Schroer
J Arthroplasty
Arthroplasty, Replacement, HipArthroplasty, Replacement, KneeCenters for Medicare and Medicaid Services, U.S.
Arthroplasty, Replacement, HipArthroplasty, Replacement, KneeCenters for Medicare and Medicaid Services, U.S.
J Arthroplasty
Arthroplasty, Replacement, KneeBack PainDisability Evaluation
Anesthetics, LocalArthroplasty, Replacement, KneeBupivacaine
See who Dr. Schroer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Schroer works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William C. Schroer received $794 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Schroer from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Zimmer Biomet Holdings, Inc. paid the most, $410.
General payments to Dr. Schroer by program year, 2016 to 2025
Companies that paid Dr. Schroer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William C. Schroer graduated from Washington University School of Medicine
Dr. Schroer graduated from Washington University School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William C. Schroer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William C. Schroer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William C. Schroer's NPI number?
Dr. William C. Schroer's NPI number is 1447202197. It was assigned on May 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William C. Schroer?
Dr. William C. Schroer is an orthopedic surgeon in Fenton, Missouri. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. William C. Schroer practice?
Dr. Schroer practices at 1011 Bowles Ave, Fenton, MO 63026. Dr. Schroer's primary practice is SSM Cancer Care South Schc - HOPD in Fenton, Missouri. Dmand AI also links Dr. Schroer to 4 hospitals, 4 home health agencies and 1 group practice or clinic.
What is Dr. William C. Schroer's medical license number?
Dr. Schroer holds Missouri license 106577.
Which hospitals is Dr. William C. Schroer affiliated with?
Dr. Schroer is affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Schroer to 4 more hospitals.
What medical group is Dr. William C. Schroer part of?
Dr. Schroer is linked to SSM Health Medical Group.
Does Dr. William C. Schroer accept Medicare?
Yes. CMS data shows Dr. Schroer billed Medicare for 794 services in 2024, and Dr. Schroer accepts Medicare assignment.
How many Medicare patients does Dr. William C. Schroer see?
CMS counts 396 Medicare patients who saw Dr. Schroer in 2024, with an average age of 74.
What services does Dr. William C. Schroer bill to Medicare?
In 2024, Dr. Schroer's most billed Medicare services were diagnostic imaging (73562), surgery: bones and joints (27447) and surgery: bones and joints (20610).
Where did Dr. William C. Schroer go to medical school?
Dr. Schroer graduated from Washington University School of Medicine in 1989.
Show 5 more questionsShow fewer questions
What drugs does Dr. William C. Schroer prescribe most?
In 2024 Medicare Part D data, Dr. Schroer's most prescribed drugs by claims were Meloxicam, Oxycodone HCl and Celecoxib.
Has Dr. William C. Schroer received payments from drug or device companies?
CMS Open Payments shows $794 in general payments to Dr. Schroer from 6 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. William C. Schroer been practicing?
Dr. Schroer graduated from medical school in 1989, 37 years ago.
Does Dr. William C. Schroer do research?
Dmand AI links 10 publications to Dr. Schroer, published from 2011 to 2020.
Who does Dr. William C. Schroer publish with?
Dr. Schroer's most frequent co-authors are Keith R. Berend, MD (1 shared paper), Michael P. Bolognesi, MD (1 shared paper) and Katherine A. Burns, MD (1 shared paper).
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